3.5 9 oints Skipped Last month when Holiday Creations, Inc., sold 43,000 units, total sales were $290,000, total variable expenses were $234,900, and fixed expenses were $37,300. Required: 1. What is the company's contribution margin (CM) ratio? eBook Contribution margin ratio % Hint 2. Estimate the change in the company's net operating income if it were to increase its total sales by $2,800. Estimated change in net operating income